Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 5 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 05/13/2021   04:37:38   (  -0.03,-128.04) (   0.18,-127.07)  110.53                80
 05/14/2021   16:56:31   (   0.02,-128.15) (   0.79,-131.68)  402.00                80
 05/15/2021   16:38:31   (   0.03,-128.18) (  -0.32,-126.71)  167.97                80
 05/17/2021   04:57:31   (  -0.02,-128.15) (  -0.71,-131.35)  363.79                80
 05/18/2021   04:34:12   (  -0.02,-128.17) (   0.40,-126.37)  205.28                80
 05/19/2021   16:53:03   (   0.01,-128.26) (   0.62,-130.97)  308.87                80
 05/20/2021   16:35:04   (   0.02,-128.29) (  -0.49,-126.00)  260.62                80
 05/22/2021   04:54:04   (  -0.01,-128.26) (  -0.53,-130.64)  271.13                80
 05/23/2021   04:30:45   (  -0.02,-128.27) (   0.58,-125.66)  297.53                80
 05/24/2021   16:49:36   (   0.01,-128.35) (   0.45,-130.26)  218.05                80
 05/25/2021   16:31:36   (   0.02,-128.37) (  -0.67,-125.29)  350.75                80